Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7047538 | Recording and/or reproducing device for disk | Masahiro Sato, Yuji Takahashi | 2006-05-16 |
| 6934225 | Disc cartridge and disc recording and/or reproducing apparatus | Masahiro Sato, Yuji Takahashi | 2005-08-23 |
| 6600702 | Disc cartridge and disc recording and/or reproducing apparatus | Masahiro Sato, Yuji Takahashi | 2003-07-29 |
| 6493308 | Disc recording/reproducing apparatus and disc container casing used therein | Ryoji Takamatsu, Tomohiro Watanabe, Toru Hama | 2002-12-10 |